General Category => The Dead Pool => Topic started by: Wheezer on April 22, 2013, 01:07:40 AM
Title: Fully Attenuated
Post by: Wheezer on April 22, 2013, 01:07:40 AM
Hilary Koprowski (http://www.nytimes.com/2013/04/21/us/hilary-koprowski-developed-live-virus-polio-vaccine-dies-at-96.html), creator of the first oral polio vaccine.